The 2009 Audi A3 has a 2.0 L base engine size.
The 2013 Audi A3 has an inline 4 engine.
The 2010 Audi A3 has an inline 4 engine.
The 2012 Audi A3 has an inline 4 engine.
The 2007 Audi A3 has an inline 4 engine.
The 2011 Audi A3 has an inline 4 engine.
The 2015 Audi A3 has an inline 4 engine.
The 2008 Audi A3 has an inline 4 engine.
The 2006 Audi A3 has an inline 4 engine.
The 2015 Audi A3 has a 1.8 L base engine size.
The 2010 Audi A3 has a 2.0 L base engine size.
The 2012 Audi A3 has a 2.0 L base engine size.